/**
 * Athena API
 * REST API for the Athena system
 *
 * The version of the OpenAPI document: 1.0.0
 *
 *
 * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
 * https://openapi-generator.tech
 * Do not edit the class manually.
 */
/**
 *
 * @export
 * @interface StudyPlanActivity
 */
export interface StudyPlanActivity {
    /**
     *
     * @type {string}
     * @memberof StudyPlanActivity
     */
    id: string;
    /**
     *
     * @type {string}
     * @memberof StudyPlanActivity
     */
    studyPlanId: string;
    /**
     * Sort key within the plan. Activities are returned in ascending order.
     * @type {number}
     * @memberof StudyPlanActivity
     */
    position: number;
    /**
     * Display-only label such as "Day 1" or "Aug 1". May be empty; it is never parsed for ordering.
     * @type {string}
     * @memberof StudyPlanActivity
     */
    label: string;
    /**
     * Free-form duration such as "30 min".
     * @type {string}
     * @memberof StudyPlanActivity
     */
    duration: string | null;
    /**
     *
     * @type {string}
     * @memberof StudyPlanActivity
     */
    title: string;
    /**
     *
     * @type {string}
     * @memberof StudyPlanActivity
     */
    description: string;
    /**
     * When the activity was completed, or null if it is not done.
     * @type {Date}
     * @memberof StudyPlanActivity
     */
    completedAt: Date | null;
    /**
     * The most recent chat started from this activity, or null when it has never been started. Reopen this chat rather than starting a second one.
     * @type {string}
     * @memberof StudyPlanActivity
     */
    chatId: string | null;
}
/**
 * Check if a given object implements the StudyPlanActivity interface.
 */
export declare function instanceOfStudyPlanActivity(value: object): value is StudyPlanActivity;
export declare function StudyPlanActivityFromJSON(json: any): StudyPlanActivity;
export declare function StudyPlanActivityFromJSONTyped(json: any, ignoreDiscriminator: boolean): StudyPlanActivity;
export declare function StudyPlanActivityToJSON(json: any): StudyPlanActivity;
export declare function StudyPlanActivityToJSONTyped(value?: StudyPlanActivity | null, ignoreDiscriminator?: boolean): any;